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The International Agency for Research on Cancer (IARC) is pleased to announce that Volume 135 of the IARC Monographs is now available online. This volume comprises a single monograph covering both perfluorooctanoic acid (PFOA) and perfluorooctanesulfonic acid (PFOS).
PFOA and PFOS are per- and polyfluoroalkyl substances (PFAS) that are extremely resistant to degradation. First produced in the 1940s, PFOA has extensive uses, including in fluoropolymer manufacture and applications; in surface coatings conferring resistance to stains, oil, and water on household products, carpets, textiles, leather products, and food and feed packaging; in electrics and electronics; and in construction materials. With some similar uses to those of PFOA, PFOS additionally has applications in aqueous film-forming foams used in firefighting; in the fabrication of imaging devices and semiconductors; in photolithography and electroplating; and in insulation, dyes, and ink.
